Sarge was the code name for a former DebianStable distribution. It was released on June 6th 2005 as Debian GNU/Linux 3.1. It was superseded by Debian/DebianEtch on Apr 8th 2007. It has been archived and no longer receives security updates.

FAQ

A common question is "apt-get gives errors" when they have the security archives in their sources list but are still tracking testing. Another is where non-us went if they were tracking stable. Check out the SourcesList page to get your /etc/apt/sources.list set straight.